Fuse.Scripting: refactor ScriptMethod<T>.Call
Fuse.Scripting: refactor ScriptMethod<T>.Call

This just separates the legacy-code from the modern implementation. It's
just about readability, really.

eksperts/fuselibs-public,kusma/fuselibs-public,yupferris/fuselibs-public,nekronos/fuselibs-public,nekronos/fuselibs-public,fusetools/fuselibs-public,cbaggers/fuselibs-public,eksperts/fuselibs-public,kusma/fuselibs-public,yupferris/fuselibs-public,cbaggers/fuselibs-public,eksperts/fuselibs-public,nekronos/fuselibs-public,cbaggers/fuselibs-public,cbaggers/fuselibs-public,kusma/fuselibs-public,cbaggers/fuselibs-public,nekronos/fuselibs-public,cbaggers/fuselibs-public,yupferris/fuselibs-public,fusetools/fuselibs-public,yupferris/fuselibs-public,eksperts/fuselibs-public,kusma/fuselibs-public,kusma/fuselibs-public,eksperts/fuselibs-public,kusma/fuselibs-public,fusetools/fuselibs-public,cbaggers/fuselibs-public,fusetools/fuselibs-public,nekronos/fuselibs-public,fusetools/fuselibs-public,nekronos/fuselibs-public,eksperts/fuselibs-public,eksperts/fuselibs-public,yupferris/fuselibs-public,kusma/fuselibs-public,yupferris/fuselibs-public,yupferris/fuselibs-public,nekronos/fuselibs-public,fusetools/fuselibs-public,fusetools/fuselibs-public